Don MacArthur

Explore the essential role of capacitors in electromagnetic interference (EMI) suppression. From ceramic to electrolytic options, discover how proper selection and placement of these components can significantly improve circuit performance and reliability in electronic design.

This comprehensive guide explores four critical parameters of RF amplifiers - gain, noise figure, linearity, and efficiency. Understanding these specifications is crucial for engineers designing high-performance amplifiers that deliver clear signal transmission while balancing power consumption and signal integrity in modern communication systems.

The journey to becoming an excellent compliance engineering professional is an ongoing process of continuous learning, practical skill development, and unwavering commitment to ensuring product safety, regulatory compliance, and maintaining the highest standards of professional integrity.

Explore the hidden complexities of measurement uncertainty in EMC testing, where precision meets practicality. Learn how subtle variations in measurements can impact product compliance, engineering decisions, and ultimately, market success.

Discover the key sources of uncertainty in radiated emissions testing and learn how to calculate measurement uncertainty budgets. Essential insights for EMC professionals seeking more accurate and reliable test results.

Discover essential but often overlooked aspects of compliance engineering, from material selection to ethical conduct. Learn practical insights for navigating regulatory landscapes while maintaining product safety and integrity.

This month's Practical Engineering explains how to use the Welch-Satterthwaite formula to calculate the effective degrees of freedom and expanded uncertainty in a measurement uncertainty analysis. It provides a practical example to demonstrate the application of this formula.

Mastering capacitor behavior is crucial for noise control in electronics. Understanding impedance variations with frequency, along with ESR and ESL components, helps engineers design effective filters. The piece explains how capacitors "dance" with frequencies to manage unwanted noise.

Ferrite beads may fail to suppress RF emissions due to misidentified noise sources, high circuit impedance, outdated advice, or incorrect ferrite selection. Careful analysis and appropriate application are crucial for effective EMC compliance.

Don MacArthur's blog outlines key steps to excel in compliance engineering, including mastering regulations, staying updated, gaining experience, developing problem-solving skills, and maintaining ethical conduct. He emphasizes continuous learning and effective communication across teams.